203 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_add_event()  local
204 	struct dvb_fe_events *events = &fepriv->events;  in dvb_frontend_add_event()
211 		dtv_get_frontend(fe, &fepriv->parameters_out);  in dvb_frontend_add_event()
223 	e->parameters = fepriv->parameters_out;  in dvb_frontend_add_event()
235 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_get_event()  local
236 	struct dvb_fe_events *events = &fepriv->events;  in dvb_frontend_get_event()
251 		up(&fepriv->sem);  in dvb_frontend_get_event()
256 		if (down_interruptible (&fepriv->sem))  in dvb_frontend_get_event()
273 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_clear_events()  local
274 	struct dvb_fe_events *events = &fepriv->events;  in dvb_frontend_clear_events()
300 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_reinitialise()  local
302 	fepriv->reinitialise = 1;  in dvb_frontend_reinitialise()
307 static void dvb_frontend_swzigzag_update_delay(struct dvb_frontend_private *fepriv, int locked)  in dvb_frontend_swzigzag_update_delay()  argument
310 	struct dvb_frontend *fe = fepriv->dvbdev->priv;  in dvb_frontend_swzigzag_update_delay()
315 		(fepriv->quality) = (fepriv->quality * 220 + 36*256) / 256;  in dvb_frontend_swzigzag_update_delay()
317 		(fepriv->quality) = (fepriv->quality * 220 + 0) / 256;  in dvb_frontend_swzigzag_update_delay()
319 	q2 = fepriv->quality - 128;  in dvb_frontend_swzigzag_update_delay()
322 	fepriv->delay = fepriv->min_delay + q2 * HZ / (128*128);  in dvb_frontend_swzigzag_update_delay()
337 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_swzigzag_autotune()  local
349 		fepriv->lnb_drift = fepriv->auto_step * fepriv->step_size;  in dvb_frontend_swzigzag_autotune()
352 		if (fepriv->lnb_drift > fepriv->max_drift) {  in dvb_frontend_swzigzag_autotune()
353 			fepriv->auto_step = 0;  in dvb_frontend_swzigzag_autotune()
354 			fepriv->auto_sub_step = 0;  in dvb_frontend_swzigzag_autotune()
355 			fepriv->lnb_drift = 0;  in dvb_frontend_swzigzag_autotune()
359 		switch(fepriv->auto_sub_step) {  in dvb_frontend_swzigzag_autotune()
368 			fepriv->inversion = (fepriv->inversion == INVERSION_OFF) ? INVERSION_ON : INVERSION_OFF;  in dvb_frontend_swzigzag_autotune()
373 			if (fepriv->lnb_drift == 0) break;  in dvb_frontend_swzigzag_autotune()
375 			fepriv->lnb_drift = -fepriv->lnb_drift;  in dvb_frontend_swzigzag_autotune()
380 			if (fepriv->lnb_drift == 0) break;  in dvb_frontend_swzigzag_autotune()
383 			fepriv->inversion = (fepriv->inversion == INVERSION_OFF) ? INVERSION_ON : INVERSION_OFF;  in dvb_frontend_swzigzag_autotune()
384 			fepriv->lnb_drift = -fepriv->lnb_drift;  in dvb_frontend_swzigzag_autotune()
389 			fepriv->auto_step++;  in dvb_frontend_swzigzag_autotune()
390 			fepriv->auto_sub_step = -1; /* it'll be incremented to 0 in a moment */  in dvb_frontend_swzigzag_autotune()
394 		if (!ready) fepriv->auto_sub_step++;  in dvb_frontend_swzigzag_autotune()
399 	if ((fepriv->auto_step == fepriv->started_auto_step) &&  in dvb_frontend_swzigzag_autotune()
400 	    (fepriv->auto_sub_step == 0) && check_wrapped) {  in dvb_frontend_swzigzag_autotune()
406 			__func__, fepriv->lnb_drift, fepriv->inversion,  in dvb_frontend_swzigzag_autotune()
407 			fepriv->auto_step, fepriv->auto_sub_step,  in dvb_frontend_swzigzag_autotune()
408 			fepriv->started_auto_step);  in dvb_frontend_swzigzag_autotune()
411 	c->frequency += fepriv->lnb_drift;  in dvb_frontend_swzigzag_autotune()
413 		c->inversion = fepriv->inversion;  in dvb_frontend_swzigzag_autotune()
419 		fepriv->state = FESTATE_ERROR;  in dvb_frontend_swzigzag_autotune()
426 	fepriv->auto_sub_step++;  in dvb_frontend_swzigzag_autotune()
434 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_swzigzag()  local
438 	if (fepriv->state & FESTATE_IDLE) {  in dvb_frontend_swzigzag()
439 		fepriv->delay = 3*HZ;  in dvb_frontend_swzigzag()
440 		fepriv->quality = 0;  in dvb_frontend_swzigzag()
445 	if (fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT) {  in dvb_frontend_swzigzag()
446 		if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_swzigzag()
452 				fepriv->state = FESTATE_ERROR;  in dvb_frontend_swzigzag()
454 				fepriv->state = FESTATE_TUNED;  in dvb_frontend_swzigzag()
456 		fepriv->delay = 3*HZ;  in dvb_frontend_swzigzag()
457 		fepriv->quality = 0;  in dvb_frontend_swzigzag()
462 	if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_swzigzag()
467 		if (s != fepriv->status) {  in dvb_frontend_swzigzag()
469 			fepriv->status = s;  in dvb_frontend_swzigzag()
474 	if ((fepriv->state & FESTATE_WAITFORLOCK) && (s & FE_HAS_LOCK)) {  in dvb_frontend_swzigzag()
475 		dvb_frontend_swzigzag_update_delay(fepriv, s & FE_HAS_LOCK);  in dvb_frontend_swzigzag()
476 		fepriv->state = FESTATE_TUNED;  in dvb_frontend_swzigzag()
481 			c->inversion = fepriv->inversion;  in dvb_frontend_swzigzag()
487 	if (fepriv->state & FESTATE_TUNED) {  in dvb_frontend_swzigzag()
488 		dvb_frontend_swzigzag_update_delay(fepriv, s & FE_HAS_LOCK);  in dvb_frontend_swzigzag()
494 			fepriv->state = FESTATE_ZIGZAG_FAST;  in dvb_frontend_swzigzag()
495 			fepriv->started_auto_step = fepriv->auto_step;  in dvb_frontend_swzigzag()
496 			fepriv->check_wrapped = 0;  in dvb_frontend_swzigzag()
502 	if ((fepriv->state & FESTATE_LOSTLOCK) &&  in dvb_frontend_swzigzag()
503 	    (fe->ops.info.caps & FE_CAN_RECOVER) && (fepriv->max_drift == 0)) {  in dvb_frontend_swzigzag()
504 		dvb_frontend_swzigzag_update_delay(fepriv, s & FE_HAS_LOCK);  in dvb_frontend_swzigzag()
511 	if (fepriv->state & FESTATE_DISEQC) {  in dvb_frontend_swzigzag()
512 		dvb_frontend_swzigzag_update_delay(fepriv, s & FE_HAS_LOCK);  in dvb_frontend_swzigzag()
519 	if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_swzigzag()
520 		fepriv->lnb_drift = 0;  in dvb_frontend_swzigzag()
521 		fepriv->auto_step = 0;  in dvb_frontend_swzigzag()
522 		fepriv->auto_sub_step = 0;  in dvb_frontend_swzigzag()
523 		fepriv->started_auto_step = 0;  in dvb_frontend_swzigzag()
524 		fepriv->check_wrapped = 0;  in dvb_frontend_swzigzag()
528 	if ((fepriv->state & FESTATE_SEARCHING_FAST) || (fepriv->state & FESTATE_RETUNE)) {  in dvb_frontend_swzigzag()
529 		fepriv->delay = fepriv->min_delay;  in dvb_frontend_swzigzag()
533 							fepriv->check_wrapped);  in dvb_frontend_swzigzag()
539 			fepriv->state = FESTATE_SEARCHING_SLOW;  in dvb_frontend_swzigzag()
540 			fepriv->started_auto_step = fepriv->auto_step;  in dvb_frontend_swzigzag()
543 		fepriv->check_wrapped = 1;  in dvb_frontend_swzigzag()
549 		if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_swzigzag()
550 			fepriv->state = FESTATE_TUNING_FAST;  in dvb_frontend_swzigzag()
555 	if (fepriv->state & FESTATE_SEARCHING_SLOW) {  in dvb_frontend_swzigzag()
556 		dvb_frontend_swzigzag_update_delay(fepriv, s & FE_HAS_LOCK);  in dvb_frontend_swzigzag()
566 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_is_exiting()  local
571 	if (fepriv->dvbdev->writers == 1)  in dvb_frontend_is_exiting()
572 		if (time_after_eq(jiffies, fepriv->release_jiffies +  in dvb_frontend_is_exiting()
581 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_should_wakeup()  local
583 	if (fepriv->wakeup) {  in dvb_frontend_should_wakeup()
584 		fepriv->wakeup = 0;  in dvb_frontend_should_wakeup()
592 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_wakeup()  local
594 	fepriv->wakeup = 1;  in dvb_frontend_wakeup()
595 	wake_up_interruptible(&fepriv->wait_queue);  in dvb_frontend_wakeup()
619 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_enable_media_tuner()  local
626 	fepriv->pipe_start_entity = NULL;  in dvb_enable_media_tuner()
631 	entity = fepriv->dvbdev->entity;  in dvb_enable_media_tuner()
632 	fepriv->pipe_start_entity = entity;  in dvb_enable_media_tuner()
660 	fepriv->pipe_start_entity = source;  in dvb_enable_media_tuner()
692 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_thread()  local
704 	fepriv->check_wrapped = 0;  in dvb_frontend_thread()
705 	fepriv->quality = 0;  in dvb_frontend_thread()
706 	fepriv->delay = 3*HZ;  in dvb_frontend_thread()
707 	fepriv->status = 0;  in dvb_frontend_thread()
708 	fepriv->wakeup = 0;  in dvb_frontend_thread()
709 	fepriv->reinitialise = 0;  in dvb_frontend_thread()
717 	} else if (fepriv->pipe_start_entity) {  in dvb_frontend_thread()
718 		ret = media_entity_pipeline_start(fepriv->pipe_start_entity,  in dvb_frontend_thread()
719 						  &fepriv->pipe);  in dvb_frontend_thread()
729 		up(&fepriv->sem);	    /* is locked when we enter the thread... */  in dvb_frontend_thread()
731 		wait_event_interruptible_timeout(fepriv->wait_queue,  in dvb_frontend_thread()
734 			fepriv->delay);  in dvb_frontend_thread()
738 			if (!down_interruptible(&fepriv->sem))  in dvb_frontend_thread()
747 		if (down_interruptible(&fepriv->sem))  in dvb_frontend_thread()
750 		if (fepriv->reinitialise) {  in dvb_frontend_thread()
752 			if (fe->ops.set_tone && fepriv->tone != -1)  in dvb_frontend_thread()
753 				fe->ops.set_tone(fe, fepriv->tone);  in dvb_frontend_thread()
754 			if (fe->ops.set_voltage && fepriv->voltage != -1)  in dvb_frontend_thread()
755 				fe->ops.set_voltage(fe, fepriv->voltage);  in dvb_frontend_thread()
756 			fepriv->reinitialise = 0;  in dvb_frontend_thread()
766 				if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_thread()
769 					fepriv->state = FESTATE_TUNED;  in dvb_frontend_thread()
775 					fe->ops.tune(fe, re_tune, fepriv->tune_mode_flags, &fepriv->delay, &s);  in dvb_frontend_thread()
777 				if (s != fepriv->status && !(fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT)) {  in dvb_frontend_thread()
780 					fepriv->status = s;  in dvb_frontend_thread()
788 …dev_dbg(fe->dvb->device, "%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->st…  in dvb_frontend_thread()
789 				if (fepriv->state & FESTATE_RETUNE) {  in dvb_frontend_thread()
791 					fepriv->state = FESTATE_TUNED;  in dvb_frontend_thread()
797 				if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) {  in dvb_frontend_thread()
799 						fepriv->algo_status = fe->ops.search(fe);  in dvb_frontend_thread()
804 						fepriv->algo_status &= ~DVBFE_ALGO_SEARCH_AGAIN;  in dvb_frontend_thread()
808 				if (fepriv->algo_status != DVBFE_ALGO_SEARCH_SUCCESS) {  in dvb_frontend_thread()
809 					fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;  in dvb_frontend_thread()
810 					fepriv->delay = HZ / 2;  in dvb_frontend_thread()
812 				dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);  in dvb_frontend_thread()
814 				if (s != fepriv->status) {  in dvb_frontend_thread()
816 					fepriv->status = s;  in dvb_frontend_thread()
818 						fepriv->delay = HZ / 10;  in dvb_frontend_thread()
819 						fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;  in dvb_frontend_thread()
821 						fepriv->delay = 60 * HZ;  in dvb_frontend_thread()
835 	if (fepriv->pipe_start_entity)  in dvb_frontend_thread()
836 		media_entity_pipeline_stop(fepriv->pipe_start_entity);  in dvb_frontend_thread()
837 	fepriv->pipe_start_entity = NULL;  in dvb_frontend_thread()
854 	fepriv->thread = NULL;  in dvb_frontend_thread()
862 		up(&fepriv->sem);  in dvb_frontend_thread()
869 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_stop()  local
877 	if (!fepriv->thread)  in dvb_frontend_stop()
880 	kthread_stop(fepriv->thread);  in dvb_frontend_stop()
882 	sema_init(&fepriv->sem, 1);  in dvb_frontend_stop()
883 	fepriv->state = FESTATE_IDLE;  in dvb_frontend_stop()
886 	if (fepriv->thread)  in dvb_frontend_stop()
889 				fepriv->thread);  in dvb_frontend_stop()
938 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_start()  local
943 	if (fepriv->thread) {  in dvb_frontend_start()
952 	if (down_interruptible (&fepriv->sem))  in dvb_frontend_start()
955 	fepriv->state = FESTATE_IDLE;  in dvb_frontend_start()
957 	fepriv->thread = NULL;  in dvb_frontend_start()
967 		up(&fepriv->sem);  in dvb_frontend_start()
970 	fepriv->thread = fe_thread;  in dvb_frontend_start()
2022 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_ioctl()  local
2026 	if (down_interruptible(&fepriv->sem))  in dvb_frontend_ioctl()
2030 		up(&fepriv->sem);  in dvb_frontend_ioctl()
2037 		up(&fepriv->sem);  in dvb_frontend_ioctl()
2048 	up(&fepriv->sem);  in dvb_frontend_ioctl()
2057 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_ioctl_properties()  local
2124 		if (fepriv->state != FESTATE_IDLE) {  in dvb_frontend_ioctl_properties()
2152 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dtv_set_frontend()  local
2165 	dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);  in dtv_set_frontend()
2235 		fepriv->min_delay = (fetunesettings.min_delay_ms * HZ) / 1000;  in dtv_set_frontend()
2236 		fepriv->max_drift = fetunesettings.max_drift;  in dtv_set_frontend()
2237 		fepriv->step_size = fetunesettings.step_size;  in dtv_set_frontend()
2247 			fepriv->min_delay = HZ / 20;  in dtv_set_frontend()
2248 			fepriv->step_size = c->symbol_rate / 16000;  in dtv_set_frontend()
2249 			fepriv->max_drift = c->symbol_rate / 2000;  in dtv_set_frontend()
2255 			fepriv->min_delay = HZ / 20;  in dtv_set_frontend()
2256 			fepriv->step_size = fe->ops.info.frequency_stepsize * 2;  in dtv_set_frontend()
2257 			fepriv->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1;  in dtv_set_frontend()
2264 			fepriv->min_delay = HZ / 20;  in dtv_set_frontend()
2265 			fepriv->step_size = 0; /* no zigzag */  in dtv_set_frontend()
2266 			fepriv->max_drift = 0;  in dtv_set_frontend()
2271 		fepriv->min_delay = (dvb_override_tune_delay * HZ) / 1000;  in dtv_set_frontend()
2273 	fepriv->state = FESTATE_RETUNE;  in dtv_set_frontend()
2276 	fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;  in dtv_set_frontend()
2281 	fepriv->status = 0;  in dtv_set_frontend()
2292 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_ioctl_legacy()  local
2337 		if (!(fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT))  in dvb_frontend_ioctl_legacy()
2348 		if (fepriv->state == FESTATE_RETUNE ||  in dvb_frontend_ioctl_legacy()
2349 		    fepriv->state == FESTATE_ERROR) {  in dvb_frontend_ioctl_legacy()
2362 			if (fepriv->thread)  in dvb_frontend_ioctl_legacy()
2371 			if (fepriv->thread)  in dvb_frontend_ioctl_legacy()
2380 			if (fepriv->thread)  in dvb_frontend_ioctl_legacy()
2389 			if (fepriv->thread)  in dvb_frontend_ioctl_legacy()
2399 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2400 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2407 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2408 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2415 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2416 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2423 			fepriv->tone = (fe_sec_tone_mode_t) parg;  in dvb_frontend_ioctl_legacy()
2424 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2425 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2432 			fepriv->voltage = (fe_sec_voltage_t) parg;  in dvb_frontend_ioctl_legacy()
2433 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2434 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2441 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2442 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2495 			fepriv->state = FESTATE_DISEQC;  in dvb_frontend_ioctl_legacy()
2496 			fepriv->status = 0;  in dvb_frontend_ioctl_legacy()
2529 		fepriv->tune_mode_flags = (unsigned long) parg;  in dvb_frontend_ioctl_legacy()
2542 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_poll()  local
2546 	poll_wait (file, &fepriv->events.wait_queue, wait);  in dvb_frontend_poll()
2548 	if (fepriv->events.eventw != fepriv->events.eventr)  in dvb_frontend_poll()
2558 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_open()  local
2615 		fepriv->reinitialise = 1;  in dvb_frontend_open()
2623 		fepriv->tune_mode_flags &= ~FE_TUNE_MODE_ONESHOT;  in dvb_frontend_open()
2624 		fepriv->tone = -1;  in dvb_frontend_open()
2625 		fepriv->voltage = -1;  in dvb_frontend_open()
2632 		fepriv->events.eventr = fepriv->events.eventw = 0;  in dvb_frontend_open()
2654 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_release()  local
2660 		fepriv->release_jiffies = jiffies;  in dvb_frontend_release()
2667 		wake_up(&fepriv->wait_queue);  in dvb_frontend_release()
2707 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_frontend_resume()  local
2723 	fepriv->state = FESTATE_RETUNE;  in dvb_frontend_resume()
2733 	struct dvb_frontend_private *fepriv;  in dvb_register_frontend()  local
2755 	fepriv = fe->frontend_priv;  in dvb_register_frontend()
2757 	sema_init(&fepriv->sem, 1);  in dvb_register_frontend()
2758 	init_waitqueue_head (&fepriv->wait_queue);  in dvb_register_frontend()
2759 	init_waitqueue_head (&fepriv->events.wait_queue);  in dvb_register_frontend()
2760 	mutex_init(&fepriv->events.mtx);  in dvb_register_frontend()
2762 	fepriv->inversion = INVERSION_OFF;  in dvb_register_frontend()
2768 	dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template,  in dvb_register_frontend()
2786 	struct dvb_frontend_private *fepriv = fe->frontend_priv;  in dvb_unregister_frontend()  local
2793 	if (fepriv->dvbdev->users < -1)  in dvb_unregister_frontend()
2794 		wait_event(fepriv->dvbdev->wait_queue,  in dvb_unregister_frontend()
2795 				fepriv->dvbdev->users==-1);  in dvb_unregister_frontend()
2798 	dvb_unregister_device (fepriv->dvbdev);  in dvb_unregister_frontend()
2801 	kfree(fepriv);  in dvb_unregister_frontend()